Home / 660,578,044.46-990,844,625.32-169,296,138.14

Finding the Fourth Proportional to 660,578,044.46, 990,844,625.32 and 169,296,138.14

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Solution

The fourth proportional to 660,578,044.46, 990,844,625.32 and 169,296,138.14 is: 253,938,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,578,044.46 : 990,844,625.32 = 169,296,138.14 : x
  2. Step 2: Convert to fraction form
    660,578,044.46/990,844,625.32 = 169,296,138.14/x
  3. Step 3: Cross multiply
    660,578,044.46x = 990,844,625.32 × 169,296,138.14
  4. Step 4: Simplify right side
    660,578,044.46x = 167,746,168,558,073,792
  5. Step 5: Solve for x
    x = 167,746,168,558,073,792/660,578,044.46
  6. Step 6: Final answer
    x = 253,938,455.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.